[INFO] fetching crate piston_meta 2.0.1...
[INFO] documenting piston_meta-2.0.1 against beta-2022-05-20 for beta-1.62-rustdoc-1
[INFO] extracting crate piston_meta 2.0.1 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate piston_meta 2.0.1 on toolchain beta-2022-05-20
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-05-20" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate piston_meta 2.0.1
[INFO] finished tweaking crates.io crate piston_meta 2.0.1
[INFO] tweaked toml for crates.io crate piston_meta 2.0.1 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate crates.io crate piston_meta 2.0.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-05-20" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-05-20" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f0a8c7a6dcca0afc1a85ec6f289410d7870b17f89c9cd462a7e0ea4cfa57db39
[INFO] running `Command { std: "docker" "start" "-a" "f0a8c7a6dcca0afc1a85ec6f289410d7870b17f89c9cd462a7e0ea4cfa57db39", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f0a8c7a6dcca0afc1a85ec6f289410d7870b17f89c9cd462a7e0ea4cfa57db39", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f0a8c7a6dcca0afc1a85ec6f289410d7870b17f89c9cd462a7e0ea4cfa57db39", kill_on_drop: false }`
[INFO] [stdout] f0a8c7a6dcca0afc1a85ec6f289410d7870b17f89c9cd462a7e0ea4cfa57db39
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-05-20" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fbef5073550679499d7b29f903b5e79703a946ab0abcc178c04f246b34e03027
[INFO] running `Command { std: "docker" "start" "-a" "fbef5073550679499d7b29f903b5e79703a946ab0abcc178c04f246b34e03027", kill_on_drop: false }`
[INFO] [stderr]     Checking range v1.0.0
[INFO] [stderr]     Checking lazy_static v1.3.0
[INFO] [stderr]     Checking read_token v1.0.0
[INFO] [stderr]  Documenting piston_meta v2.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unresolved link to `rules`
[INFO] [stdout]   --> src/lib.rs:78:7
[INFO] [stdout]    |
[INFO] [stdout] 78 | //! |[rules]|A sequence of rules. Rules are separated by whitespace.|
[INFO] [stdout]    |       ^^^^^ no item named `rules` in scope
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(rustdoc::broken_intra_doc_links)]` on by default
[INFO] [stdout]    = help: to escape `[` and `]` characters, add '\' before them like `\[` or `\]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.62s
[INFO] running `Command { std: "docker" "inspect" "fbef5073550679499d7b29f903b5e79703a946ab0abcc178c04f246b34e03027", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fbef5073550679499d7b29f903b5e79703a946ab0abcc178c04f246b34e03027", kill_on_drop: false }`
[INFO] [stdout] fbef5073550679499d7b29f903b5e79703a946ab0abcc178c04f246b34e03027
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "DOCS_RS=1" "-e" "RUSTC_BOOTSTRAP=1" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-05-20" "rustdoc" "--lib" "-Zrustdoc-map" "--frozen" "--message-format=json" "--" "-Z" "unstable-options" "--document-private-items", kill_on_drop: false }`
[INFO] [stdout] 60e157d45b068f5ef9a36555cca34194db1dc36bc54c10f17d4aff6fa5c09beb
[INFO] running `Command { std: "docker" "start" "-a" "60e157d45b068f5ef9a36555cca34194db1dc36bc54c10f17d4aff6fa5c09beb", kill_on_drop: false }`
[INFO] [stderr]     Checking range v1.0.0
[INFO] [stderr]     Checking lazy_static v1.3.0
[INFO] [stderr]     Checking read_token v1.0.0
[INFO] [stderr]  Documenting piston_meta v2.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unresolved link to `rules`
[INFO] [stdout]   --> src/lib.rs:78:7
[INFO] [stdout]    |
[INFO] [stdout] 78 | //! |[rules]|A sequence of rules. Rules are separated by whitespace.|
[INFO] [stdout]    |       ^^^^^ no item named `rules` in scope
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(rustdoc::broken_intra_doc_links)]` on by default
[INFO] [stdout]    = help: to escape `[` and `]` characters, add '\' before them like `\[` or `\]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.65s
[INFO] running `Command { std: "docker" "inspect" "60e157d45b068f5ef9a36555cca34194db1dc36bc54c10f17d4aff6fa5c09beb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "60e157d45b068f5ef9a36555cca34194db1dc36bc54c10f17d4aff6fa5c09beb", kill_on_drop: false }`
[INFO] [stdout] 60e157d45b068f5ef9a36555cca34194db1dc36bc54c10f17d4aff6fa5c09beb